Q. What is the heat transferred to the system, if change in internal energy is 10 J?

View solution

Q. What is the heat transferred to the system, if change in enthalpy is 15 J and change in volume is 2 m³ at 5 Pa?

View solution

Q. What is the heat transferred to the system, if change in enthalpy is 25 J and change in pressure is 5 Pa at volume 3 m³?

View solution

Q. What is the heat transferred to the system, if change in enthalpy is 30 J and pressure, volume changed from 8 Pa, 5 m³ to 4 Pa, 12 m³?

View solution

Q. The specific volume of SO₂ is 10 m³/Kg, at 5 Pa, H = 100 J/Kg and at 10 Pa, H = 250 J/Kg, what is the heat transferred to the system?

View solution

Q. The specific volume of a gas is 5 m³/Kg, at 10 Pa, H = 50 J/Kg and at 20 Pa, H = 100 J/Kg, what is the heat transferred to the system?

View solution

Q. The specific volume of a gas is 5 m³/Kg, at 25 Pa, H = 40 J/Kg and at 40 Pa, H = 90 J/Kg, what is the heat transferred to the system?

View solution

Q. The specific volume of a gas is 2 m³/Kg, at 12 Pa, H = 30 J/Kg and at 15 Pa, H = 45 J/Kg, what is the heat transferred to the system?

View solution

Q. The specific volume of a gas is 3 m³/Kg, at 6 Pa, H = 4 J/Kg and at 9 Pa, H = 14 J/Kg, what is the heat transferred to the system?

View solution

Q. What is the energy balance to open system?

View solution

Q. 5 Kg of water is pumped to a height of 5 m, the enthalpy is changed by 10 J/Kg, and work done by the motor is 100 J/Kg, assuming system is insulated what is the change in internal energy of water?

View solution

Q. 10 Kg of water is pumped to a height of 2 m, the enthalpy is changed by 15 J/Kg, and work done by the motor is 50 J/Kg, assuming system is insulated what is the change in internal energy of water?

View solution

Q. 1 Kg of water is pumped to a height of 1 m, the enthalpy is changed by 5 J/Kg, and work done by the motor is 25 J/Kg, assuming system is insulated what is the change in internal energy of water?

View solution

Q. 1 Kg of water is pumped to a height of 10 m, the enthalpy is changed by 50 J/Kg, and work done by the motor is 300 J/Kg, assuming system is insulated what is the change in internal energy of water?

View solution

Q. 2 Kg of water (CP = 0.15 J/Kg°C) is pumped to a height of 0.1 m, work done by the motor is 10 J/Kg, and heat liberated by it is 5 J/Kg, what is the final temperature of water if the initial temperature was 27°C?

View solution

Q. 1 Kg of water (CP = 0.5 J/Kg°C) is pumped to a height of 0.5 m, work done by the motor is 40 J/Kg, and heat liberated by it is 10 J/Kg, what is the final temperature of water if the initial temperature was 10°C?

View solution

Q. 1 Kg of water (CP = 0.5 J/Kg°C) is pumped to a height of 1 m, work done by the motor is 20 J/Kg, and heat liberated by it is 5 J/Kg, what is the final temperature of water if the initial temperature was 20°C?

View solution

Q. 1 Kg of water (CP = 0.4 J/Kg°C) is pumped to a height of 2 m, work done by the motor is 50 J/Kg, and heat liberated by it is 10 J/Kg, what is the final temperature of water if the initial temperature was 25°C?

View solution

Q. 5 Kg of water (CP = 1 J/Kg°C) is pumped to a height of 0.5 m, work done by the motor is 50 J/Kg, and heat liberated by it is 5 J/Kg, what is the final temperature of water if the initial temperature was 0°C?

View solution

Q. For exothermic reactions, what is the heat of reaction?

View solution